Physics, 24.05.2021 05:40 aprilkenedy12
62)One side of a seesaw carries a 21kg mass four meters from the fulcrum and a 25.5kg mass two meters from the fulcrum. To balance the seesaw, what mass should be placed nine meters from the fulcrum on the side opposite the first two masses?
a. 36 kg
b. 18 kg
c. 45 kg
d. 12 kg
e. 15 kg
Answers: 3
Physics, 22.06.2019 13:30
Física: un futbolista patea hacia el arco con una velocidad de 15m/ah, calcular: a)el alcance para un ángulo de tiro de 25º, b) el tiempo que el balón permanece en el aire.
Answers: 1
62)One side of a seesaw carries a 21kg mass four meters from the fulcrum and a 25.5kg mass two meter...
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